40 Below Summer is a five-piece Hard rock/Alternative metal music group from New Jersey, USA.

Formed in 1998, 40 Below Summer came together after drummer and Peruvian native Carlos Aguilar met with singer Max Illidge. Joey D'Amico later joined the duet, followed by Jordan Plingos and Puerto Rican-born Hector Graziani. Their first album Side Show Freaks (1999) and EP Rain (2000) were self released.